<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{
      width: 200px;height: 50px;
      border: 1px solid red;
      text-align: center;
      text-decoration: line-through;
        /*设置行高*/
        line-height: 50px;
        /*设置文本阴影  颜色 x偏移值 y偏移值 模糊度（值越大越模糊）*/
        text-shadow: red 10px -20px 3px;
        font-size: 20px;
        font-weight: bold;
        font-style: italic;
        font-family: cursive;
    }
    a{
        text-decoration: none;
    }
    h1{
        font-weight: normal;
        /*设置字体大小+字体*/
        font: 50px cursive;
    }
  </style>
</head>
<body>
<a href="">超链接</a>
<h1>这是h1</h1>
<div>文本和主题样式测试</div>

</body>
</html>